Method in

packages/socket.io/lib/socket.ts:371–373

* Targets a room when broadcasting. Similar to `to()`, but might feel clearer in some cases: * * @example * io.on("connection", (socket) => { * // disconnect all clients in the "room-101" room, except this socket * socket.in("room-101").disconnectSockets(); * }); * * @par

(room: Room | Room[])

   * @return a new {@link BroadcastOperator} instance for chaining
   */
  public in(room: Room | Room[]) {
    return this.newBroadcastOperator().in(room);
  }

  /**
   * Excludes a room when broadcasting.